Ammonium sulfate, crystals USP, ACS, FCC suitable for use as excipient (GMP, ISO 9001, ISO22000)

About this item

Synonyms: sulfuric acid diammonium salt, Diammonium sulfate, Sulphuric acid diammonium salt, Diammonium sulphate, Mascagnite

CAS Number:7783-20-2

Formula:(NH₄)₂SO₄

MDL Number:MFCD00003391

Density:1.78 g/cm³ (20 °C)

Molecular Weight:132.14 g/mol

Melting Pt:336…339 °C

Merck Index:13,00559

Storage Temperature:Ambient

EINECS:231-984-1

REACH:01-2119455044-46

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Specifications

Environmentally Preferable:

Specifications

Specification Test Results

Identification A & B:
Corresponds to tests
Assay (USP):
99.0 - 100.5 %
pH (USP):
5 – 6
Residue on ignition (USP):
0.005 % Max.
Insoluble matter (USP):
0.005 % Max.
Phosphate (USP):
5 µg/g Max.
Chloride (USP):
5 ug/g Max.
Nitrate (USP):
0.001% Max.
Iron (USP):
5 µg/g Max
Total aerobic microbial (USP/ACS):
1000 cfu/g Max.
Mold and yeasts (USP/ACS):
10 cfu/g Max.
Assay (FCC):
99.0 – 100.5 %
Appearance (FCC):
Colorless or white crystals or granules that decompose at temperatures above 280°C.
Solubility (FCC):
One gram is soluble in about 1.5 ml of water. It is soluble in alcohol.
Residue on ignition (FCC):
0.25% Max.
Lead (FCC):
3 mg/kg Max.
Selenium (FCC):
0.003 % Max.
Assay (ACS):
99.0% Min.
pH (ACS):
5.0 – 6.0
Residue on ignition (ACS):
0.005 % Max.
Insoluble matter (ACS):
0.005 % Max.
Phosphate (ACS):
5 ppm Max.
Chloride (ACS):
5ppm Max.
Nitrate (ACS):
0.001% Max.
Iron (ACS):
5ppm Max.
Total aerobic microbial:
1000 cfu/g Max.
Heavy metals (as Pb) (ACS):
5 ppm Max.
Bacterial endotoxins:
2.5 EU/g Max.